/*
 * Copyright (c) 2011-2012 Tygron Serious Gaming
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name of 'Swing to Nifty Converter' nor the names of its contributors
 *   may be used to endorse or promote products derived from this software
 *   without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package nl.tygron.niftyconverter;

import java.awt.Component;
import java.io.File;
import java.io.FileFilter;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Logger;
import javax.swing.JFrame;
import nl.tygron.niftyconverter.definitions.ConverterControlDefintion;
import nl.tygron.niftyconverter.definitions.ConverterStyleDefinition;
import nl.tygron.niftyconverter.elements.NiftyStructure;
import nl.tygron.niftyconverter.loader.ComponentLoader;
import nl.tygron.niftyconverter.loader.LoaderFactory;
import nl.tygron.niftyconverter.util.NiftyConverterConfig;

/**
 * @author Jeroen Warmerdam, William van Velzen, Raymond Weijermars
 * @Specialism GUI
 * @Maintainer Jeroen Warmerdam
 */
public class NiftyFactory {

	private static final Logger logger = Logger.getLogger(NiftyFactory.class.getName());

	private final UIConverterDatabase uiConverterDatabase;
	private List<Component> loadedComponents = new ArrayList<Component>();
	private List<ConverterControlDefintion> customControlDefinitions = new ArrayList<ConverterControlDefintion>();
	private ConverterStyleDefinition customStyleDefinition = null;

	public NiftyFactory() {
		uiConverterDatabase = new UIConverterDatabase();
	}

	public void addCustomControlDefitions(ConverterControlDefintion definition) {
		customControlDefinitions.add(definition);
	}

	private void convertToNiftyXMLStructure(Component comp, String name, Component topMostFrame) {

		NiftyStructure nStructureScreen = new NiftyStructure(customControlDefinitions, customStyleDefinition);
		uiConverterDatabase.convertScreen(comp, nStructureScreen, topMostFrame);
		nStructureScreen.writeNiftyStructureToDOMDocument();
		NiftyXMLExporter.writeXmlFile(nStructureScreen.getDOMDocument(), NiftyConverterConfig.getOutputDir(), name);

	}

	private void loadComponent(File resourceFile) {
		ComponentLoader loader = LoaderFactory.createLoaderForFile(resourceFile);
		Component component = loader.loadComponent(resourceFile);
		loadedComponents.add(component);
	}

	public List<Component> loadComponents(File file) throws MalformedURLException {

		URL resourceDir = file.toURI().toURL();
		File baseFile = new File(resourceDir.getFile());

		loadComponentsFromDir(baseFile);

		logger.info("Loaded " + loadedComponents.size() + " components.");
		for (Component component : loadedComponents) {

			// Strip all the windowing away. We only handle content panes and below
			String name = component.getClass().getSimpleName();
			Component topMostComponent = component;
			if (component instanceof JFrame) {
				component = ((JFrame) component).getContentPane();
			}
			convertToNiftyXMLStructure(component, name, topMostComponent);
		}
		return loadedComponents;
	}

	private void loadComponentsFromDir(final File baseFile) {

		if (!baseFile.isDirectory()) {

			loadComponent(baseFile);

			return;
		}

		File[] files = baseFile.listFiles(new FileFilter() {

			@Override
			public boolean accept(File pathname) {
				if (pathname.equals(baseFile) || pathname.equals(baseFile.getParentFile())) {
					return false;
				}

				if (pathname.getName().contains("$")) {
					return false;
				}

				return pathname.getName().endsWith(".java") || pathname.getName().endsWith(".class") || pathname.isDirectory();
			}
		});
		for (File subFile : files) {
			loadComponentsFromDir(subFile);
		}
	}

	public void setCustomStyleDefitions(ConverterStyleDefinition definition) {
		customStyleDefinition = definition;
	}

}
